How to avoid high and low temperature test chamber overpressure alarm

August 05, 2021

It is understood that the majority of users can use the high and low temperature test chambers in the bright spring or the bleak autumn or the cold winter, but in the hot summer, they are a little helpless, no matter how big or small they are, they are here. Come to help everyone, today teach you how to prevent high and low temperature test chamber overpressure alarm:

First, ensure that the compressor pressure is normal, check whether the temperature in the room is too high, whether it is below 28 °C;

Second, ensure that the condenser is not blocked by foreign objects, to avoid blocking heat dissipation;

Third, the equipment should be placed at a distance of at least 50cm from the wall;

4. Clean the dust on the condensing fan, condenser and compressor from time to time to help dissipate heat.

What is to be stated here is that, in fact, the overpressure alarm of the high and low temperature test chamber is not a quality problem of the equipment, but a machine is expressing dissatisfaction with this hot summer with the alarm. Simply speaking, it is “fear of heat”. Because the refrigerant added to the high and low temperature test chamber refrigeration system is a compressible gas, it will change with the ambient temperature, the ambient temperature will increase the pressure will increase, and the overpressure alarm will be when the pressure is too high. A protection function.

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